Top 100 Dot Net Developers in the United Kingdom
The Best of May 2025Looking for a top dot net developer in the United Kingdom?
.NET is a powerful, flexible software framework utilized by many businesses. A highly regarded developer can help ensure performance, security, and testing for your company.
To assist you in your search for a partner, we’ve compiled this list of the top dot net developers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom .NET Development Services
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31$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Pentalog is a large Brașov, Romania-based custom software development company. Established in 1993, the team offers custom software development, IT staff augmentation, e-commerce development, and web development.
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AdidasIndustries
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32$5,000+50 - 249 employeesLondon, EnglandDigis is an IT staff augmentation company. They focus on IT staff augmentation, Web Development, Custom Software Development, and AR/VR development and were launched in 2015. Their midsize team is L'viv, Ukraine-based.Read More
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Blablacar Hubspot PwC HumaIndustries
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33$50,000+250 - 999 employeesFarnborough, EnglandRead More
One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups
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Smith & NephewIndustries
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34$10,000+250 - 999 employeesLondon, EnglandRead More
*instinctools is a leading AI and software development company with 25+ years of experience in guiding global businesses through Digital Transformation.
Their comprehensive services include: AI and Machine Learning development, Custom Software Solutions, BI & Big Data, IoT, and Enterprise Automation through an innovative approach and global presence as they have teams in United States, UK, Germany, Poland and Canada.Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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35$5,000+1,000 - 9,999 employeesLondon, EnglandRead More
Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.
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EricssonIndustries
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36$5,000+250 - 999 employeesLondon, EnglandRead More
Coders Dev is a web design and mobile app development company based in London with offices in Singapore and Abu Dhabi, U.A.E. The company, founded in 2010, has more than 500 employees and provides web development and AI services. Coders Dev serves small and larger-sized companies in the health care & medical, hospitality & leisure, consumer products & services, financial services, gaming, telecommunications, automotive, manufacturing, and e-commerce industries.
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British TelecomIndustries
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37$50,000+250 - 999 employeesLondon, EnglandMethod, an UX design company, was founded in 1999. Their midsize team is headquartered in New York, New York; London, England; Santa Clara, California and Charlotte, North Carolina and provides UX/UI Design, Custom Software Development, Digital Strategy, Mobile App Development, and more.Read More
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38$50,000+250 - 999 employeesLondon, EnglandComputools is a midsize software development firm. Launched in 2013, the firm is based in New York, New York; London, England; Oslo, Norway and Linz, Austria. Their services include Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more.Read More
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Visa Epson IBM DiorIndustries
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39$25,000+10 - 49 employeesLondon , EnglandRead More
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.
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BetDSIIndustries
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40$10,000+50 - 249 employeesLondon, EnglandEmvigo Technologies Ltd is a London, England-based custom software development company. They focus on Custom Software Development, Mobile App Development, Web Design, cloud consulting & SI, and more and were launched in 2012.Read More
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41$100,000+50 - 249 employeesEdinburgh, ScotlandRead More
ClearSky Logic, a custom software development firm, was founded in 2018. The firm offers custom software development, BI & big data consulting & SI, cybersecurity, and IT staff augmentation and has a small team.
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42$10,000+2 - 9 employeesBristol, EnglandRead More
Blue Sparrow Apps is a development agency based in Bristol, England, and founded in 2015. With fewer than 10 employees, they specialize in mobile app and custom software development solutions for both small and medium-sized businesses.
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FanHub -
43$25,000+250 - 999 employeesLondon, EnglandRobosoft Technologies Inc. Is an application development company launched in 1996. Their midsize team is headquartered in San Francisco, California; New York, New York; London, England and Santa Monica, California. The agency specializes in Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more.Read More
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Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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44$5,000+250 - 999 employeesLondon, EnglandRead More
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
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AudiocodesIndustries
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45$10,000+10 - 49 employeesLondon, EnglandHiyield is a web development firm established in 2018. The small team focuses on Web Development, Custom Software Development, Artificial Intelligence, AI Consulting, and more. The company is based in London, England; Truro, England and Bristol, England.Read More
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46$10,000+250 - 999 employeesLondon, EnglandSoftProdigy is a custom software development company. Established in 2006, the company is located in Sahibzada Ajit Singh Nagar, India; London, England and Great Neck, New York. The midsize team focuses on Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.Read More
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DeloitteIndustries
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47$10,000+10 - 49 employeesLondon, EnglandRead More
Software development firm Coreblue is located in London, England; Plymouth, England; Edinburgh, Scotland and Manchester, England. They provide Custom Software Development, Mobile App Development, IT strategy consulting, and Low/No Code Development and were founded in 2015.
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Bank of Kigali Executive Nexus ProConveyIndustries
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48$50,000+10 - 49 employeesWakefield , EnglandCustom software development firm 6B Digital is in Wakefield , England. The small team offers Custom Software Development, Web Development, and Mobile App Development. The agency was founded in 2013.Read More
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49$5,000+2 - 9 employeesNorthampton, EnglandRead More
Full Metal Software is a bespoke software development agency located in Northampton, England. Founded in 2004, they have three employees specializing in full stack web development and innovative business solutions for small and midmarket companies, typically in business services, finance, and healthcare. Services include project management, code updating, CMS support, software development, and outsourcing.
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YourGene HealthIndustries
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50$25,000+10 - 49 employeesLondon, EnglandJourni is a small software development firm. Headquartered in London, United Kingdom and Madrid, Spain, the agency was launched in 2023. Their services include custom software development, IT staff augmentation, web development, and enterprise app modernization.Read More
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51$50,000+250 - 999 employeesLondon, EnglandJelvix is a midsize custom software development firm. The Kharkiv, Ukraine-based company was established in 2011. Their services include Custom Software Development, Enterprise App Modernization, Mobile App Development, and Artificial Intelligence.Read More
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Tiber Capital GroupIndustries
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52$10,000+50 - 249 employeesLondon, EnglandSnotor is a website development company. Their midsize team is headquartered in Rīga, Latvia; London, England and Khmel'nyts'kyi, Ukraine and specializes in Web Development, Mobile App Development, UX/UI Design, IT staff augmentation, and more. The agency was established in 2007.Read More
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Defero Hypefill Wellics IsobioticsIndustries
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53$10,000+50 - 249 employeesCambridge, EnglandCodup is an e-commerce development company established in 2012. They are headquartered in Irvine, California; Karachi, Pakistan; Houston, Texas and Dubai, United Arab Emirates and have a midsize team. The company specializes in E-Commerce Development, Web Development, IT staff augmentation, Custom Software Development, and more.Read More
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UnileverIndustries
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54$5,000+250 - 999 employeesLondon, EnglandKonstant Infosolutions, an app development firm, is located in Jaipur, India; New York, New York; London, England and Dubai, United Arab Emirates. The midsize team provides Mobile App Development, UX/UI Design, Web Development, Artificial Intelligence, and more. The firm was founded in 2003.Read More
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United Nations Volkswagen Stanley Connect DelmonteIndustries
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55$5,000+10 - 49 employeesLondon, EnglandHeadquartered in London, England; Hong Kong, Hong Kong and Kraków, Poland, Authentic Digital is an UX design agency. The small firm was established in 2010. Their team focuses on UX/UI Design, Web Design, Custom Software Development, Blockchain, and more.Read More
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J.P. Morgan Asset ManagementIndustries
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56$25,000+50 - 249 employeesKingston upon Thames, EnglandLaunched in 2019, Uinno is an artificial intelligence development company. Their midsize team is in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine. Their team focuses on Artificial Intelligence, Low/No Code Development, UX/UI Design, IT strategy consulting, and more.Read More
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OnlyFansIndustries
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57$50,000+50 - 249 employeesLondon, EnglandMetasite is a software development firm. Their midsize team is based in Vilnius, Lithuania and London, United Kingdom. The firm specializes in custom software development, application management & support, IT managed services, and IT strategy consulting.Read More
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Man GroupIndustries
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58$10,000+50 - 249 employeesLondon, EnglandRead More
SovTech is a custom software development company based in Johannesburg with offices in London and Nairobi. Founded in 2012, they work with enterprise and midmarket businesses with a focus on clients in the financial services industry.
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DiscoveryIndustries
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59$50,000+250 - 999 employeesLondon, EnglandOpinov8 Digital and Engineering Solutions, a cloud consulting & SI company, is in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England. The midsize company was launched in 2017. Their services include cloud consulting & SI, Custom Software Development, IT staff augmentation, AI Consulting, and more.Read More
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Fortune 500 CompaniesIndustries
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60$50,000+50 - 249 employeesBelfast, Northern IrelandRead More
Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.
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